How to use your trig functions to evaluate using the sides of a triangle

The video tutorial explains how to determine if triangles are similar by comparing trigonometric ratios. It begins with an introduction to similar triangles and the importance of trigonometric functions. The Pythagorean theorem is applied to find the sides of triangles, followed by calculations of sine, cosine, and tangent. Finally, the tutorial compares these ratios to confirm triangle similarity.

Discuss the significance of reciprocal identities in trigonometry.

How do you calculate the lengths of the sides of a triangle using the given hypotenuse and one leg?